Improvement in paper-tube machines



2 Sheets-Sheet 1.

A. G. BATOHELDER. Paper-Tube Machine. No. 209,746. Patented Nov. 12,I878.

2 Sheets-Sheet 2.

A.-G. BATOHELDER. Paper- Tube Machine.

No. 209,746.; Patented Nov. 12, 187

FEIER9, FHOTO-LITHOGRAFMER. WAsHmGTuN. n. L.

UNITED-TATES PATENT 'FFIGE.

ASAHEL BATOHELDER, OF LOWELL, MASSACHUSETTS.

IMPROVEMENT IN PAPER-TUBE MACHINES.

Specification forming part of Letters Patent No. 209,746, dated November12, 1878; application filed August 17, 1878.

To all whom it may concern Be it known that I, ASAHEL G. BATOHEL- DER,of Lowell, of the county of Middlesex and State of Massachusetts, haveinvented a new and useful or Improved Machine for Making Tubes of Paper;and do hereby declare the same to be described in the followingspecification and represented in the accompanying drawings, of which-Figure 1 is a top view, Fig. 2 a front elevation, Fig. 3 a longitudinalsection, and Fig. 4 a transverse section, of the said machine. Fig. 5 isa representation of the form of the sheet of metal used in making thefront bender, or that having the helical front edge.

The machine is intended more especially for the making of cop-tubes,though tubes for various other purposes may be manufactured by it, suchbeing made of paper or a suitable sheet material.

It consists of a mandrel, one or more benders, one or more bore andouter-surface finishers, an endless carrier, and two or more sets ofnippers, and two rack-carriages, provided with mechanism for operatingthem, all being essentially as hereinafter explained.

In the drawings, A denotes a stationary rod or mandrel, supported at itsrear end by a standard, B, extended up from a table, 0. This mandrelsupports two inside or bore finishers or non-elastic cylinders, a at,equal in diameter, and having a diameter corresponding to that of thebore of the paper tube to be made.

Encompassing these bore finishers are two tubular or non-elasticoutside-finishers, b b, which are short tubes, each being concentricwith one of the finishers a a. Besides one or more of the aforesaidoutside-finishers, I employ one or more elastic finishers, c 0, each, asshown, consisting of a sleeve of vulcanized india-rubber. It encirclesand is supported by one of the outside-finishers, and projects beyond itinmanner as represented; and as the paper tube passes throu gh andbeyondthe metallic outside-finisher, such tube is grasped firmly by theelastic finisher, which, contracted upon it, serves, while the tube ispassing through it, to wipe or press it down and finish its outersurface to much better advantage than can be effected by a metallicnon-elastic finisher,

and outside finishers, I employ in the machine one or more benders, suchbeing shown at D E, each consisting of a plate of metal bent laterallyin a spiral form. The mandrel extends lengtluvisethrough each ofthebenders, which is supported by-a standard, 0, fixed to the rear endof it, and extended up from the table 0. Each bender is tapering orconical in shape. Instead of makin g the front bender with its frontedge arranged in a plane at right angles to the mandrel, I make it sothat such edge shall form a helix about the mandreland continue togradually approach the mandrel. This crowds together the folds of thepaper while leaving the bender.

I would remark that by using two or more short benders instead of onelong one, and having them arranged apart from each other, I am enabledto make the tube with much less friction than I could with a single longbender, especially when the paper used is very thick. I

In advance, of the mandrel, and in range with it, is an endless belt, F,supported by rollers d d, fixed on shafts e f, arranged in and sustainedby a frame, G. two or more sets of hooked nippers, N N. Their shanks w wcross each other, and they are pivoted to the belt. Each shank isprovided with an inclined plane or cam, g.

Fig. 6 denotes, on an enlarged scale, a top view, and Fig. 7 a sideview, of a pair of such nippers and part of the endless belt or carrier.An elastic band or spring, h, extended across the shanks at theircrossing and fixed to the belt, serves to close the nippers, whose jawsto" not only make an acute angle with each other, but both incline tothe horizon or the belt, in manner as shown.

An arch, 7c, spans the endless belt, and is extended up from the frameGr. Each pair of nippers, inpassing through the arch, has its jawsopened by reason of its cams being carried against the flanks of thearch.

The sheet of paper tobe formed into a tube,

This belt carries through the benders and finishers.

after having been suitably pasted, is run into and through the bender orbenders, by which it is bent around in a spiral, after which it goesthrough the finishers, and is laid between the jaws of a pair of thenippers. These jaws, being advanced or moved forward by the endlessbelt, will draw the paper tube forward On passing through the arch, thejaws will open and discharge, or allow the tube to drop from betweenthem. Just before, however, such may take place, another set of thejawsshould have caught the tube, and an attendant should, with scissors, cutthe tube across it just in advance of the last-named jaws. The piece sosevered will drop 0% the belt, or will fall down through a slot oropening, I, in the frame Gr, and upon a rack, H, laid upon twocarriages, I I. These carriages are supported in guides K K, so as to becapable of being moved simultaneously and transversely of the frame Gr,they having an intermittent movement, in order that the tubes may belaid side by side and close together upon the rack. The machinery foreffecting such movement may be thus described Each of the carriages hasat its inner edge a serrated rack, m. These racks engage with twolever-pawls, a a, whose fulcra are shown at o o. The lower arms of suchpawls are furcated, and span a horizontal shaft,p, arranged as shown,and provided with a cam, q, to each fork. On the shaft is fixed aworm-gear, T, which engages with a worm or screw, 8, fixed on atransverse shaft, t. On this shaft t is a pulley, u, about which andanother pulley, 'u, fixed on one of the shafts ofthe endless belt F,another endless belt, w, extends.

On revolving the shaft t .not only will the belt F be put in motion, butthe mechanism for operating the rack-carriages will also be put inaction.

I claim as my invention as follows:

1. The combination of the elastic finisher c, the mandrel A, one or morebore-finishers, a, and one or more benders, D E, all being arranged andapplied substantially as set forth.

2. The combination of one or more elastic finishers, c, the mandrel A,one or more bore- 5. The combination of two or more sets of hookednippers, N, the endless belt or carrier F, and the arch 7t, allarranged, constructed, and to operate substantially as set forth.

6. The rack-carriages I I, provided with mechanism for operating them,as described, in combination with the endless belt F and two or moresets of nippers, N, applied thereto, all being essentially as set forth.

7. The combination of the mandrel, one or more benders, and one or morebore and outersurface finishers, as described, with the endless carrierF, and two or more sets of nippers, N, and the rack-carriages I I,provided with mechanism for operating them, substantially as specified.

S. The combination of the mandrel A, one or more bore-finishers, a, andone or more elastic outside-surface finishers, c c.

9. The bender D, made substantially as explainedviz., of a plate (seeFig. 5) bent in a conical, spiral, or volute, and having its front edgehelical with and gradually approaching the axis of it, (the saidbender,) all being essentially as represented.

10. The rack-carriages l I, provided with mechanism for operating them,as described, in combination with the endless belt I 11. The combinationof the mandrel A, one or more bore-finishers, a, one or more elasticoutside-surface finishers, c, and one or more non-elastic outer-sidefinishers, b.

A. G. BATOHELDER.

\Vitnesses:

"W. R. BATCHELDER, J omv II. I-Inwoncrn.

